WIKA 532.53+8xx - Manual (Page 9)

9 WIKA Operating instructions pressure gauges Model 5 with 831 per ATEX
2133086 08/2004 GB/D/F
GB
5. Commissioning ... 7. Repairs
5. Commissioning
During the commissioning process pressure peaks must be absolutely avoided.
Open the shut-off valves slowly.
6. Maintenance and servicing / cleaning
The instruments require no maintenance or servicing.
The indicator and switching function should be checked once or twice every
12 months. The instrument must be disconnected from the process to check
with a pressure testing device.
The instruments should be cleaned with a damp cloth moistened with soap
solution. For cleaning inside the instrument the mains power supply should be
disconnected by means of the plug box. It must be ensured that all the parts are
dry before the power is switched on again.
7. Repairs
Repairs are to be only carried out by the manufacturer or appropriately trained
personnel.
For further details see WIKA data sheet AC 08.01 or PM 05.02.